Analysis
- max time kernel
135s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
05/06/2026, 12:19
General
- Target 2026-06-05_4265134f724b9738e0c1d595941b90cb_elex_mafia_stealc_tofsee.exe
- Size 486KB
- Sample260605-phf55ae12z
- SHA256 a7ffa4cff6439ff1de237c45d77aa57e6f4b18bbe057107e0f836f6269683531
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-05_4265134f724b9738e0c1d595941b90cb_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-05_4265134f724b9738e0c1d595941b90cb_elex_mafia_stealc_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4CC3.tmp"C:\Users\Admin\AppData\Local\Temp\4CC3.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-06-05_4265134f724b9738e0c1d595941b90cb_elex_mafia_stealc_tofsee.exe 95D7AF29498C41AC586F924D212A54B882CBDEFA185AD38770A8DE24B8AF60880798FA6543E20B2FC37121A8FC4261ACEA44063A7A8CCC466F095C4CFB01EB112⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2026-06-05_4265134f724b9738e0c1d595941b90cb_elex_mafia_stealc_tofsee.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2026-06-05_4265134f724b9738e0c1d595941b90cb_elex_mafia_stealc_tofsee.docx
4CC3.tmp
memory/3484-17-0x00007FFF8ABA0000-0x00007FFF8ADA9000-memory.dmp
memory/3484-19-0x00007FFF8ABA0000-0x00007FFF8ADA9000-memory.dmp
memory/3484-13-0x00007FFF4AC30000-0x00007FFF4AC40000-memory.dmp
memory/3484-14-0x00007FFF4AC30000-0x00007FFF4AC40000-memory.dmp
memory/3484-15-0x00007FFF8ABA0000-0x00007FFF8ADA9000-memory.dmp
memory/3484-18-0x00007FFF8ABA0000-0x00007FFF8ADA9000-memory.dmp
memory/3484-9-0x00007FFF4AC30000-0x00007FFF4AC40000-memory.dmp
memory/3484-12-0x00007FFF8AC44000-0x00007FFF8AC45000-memory.dmp
memory/3484-16-0x00007FFF8ABA0000-0x00007FFF8ADA9000-memory.dmp
memory/3484-11-0x00007FFF4AC30000-0x00007FFF4AC40000-memory.dmp
memory/3484-10-0x00007FFF4AC30000-0x00007FFF4AC40000-memory.dmp
memory/3484-20-0x00007FFF48150000-0x00007FFF48160000-memory.dmp
memory/3484-21-0x00007FFF48150000-0x00007FFF48160000-memory.dmp
memory/3484-25-0x00007FFF8ABA0000-0x00007FFF8ADA9000-memory.dmp